{"airworthiness_class":"","airworthiness_date":"","airworthiness_ops":"","category":"drone","cert_issue_date":"2016-09-28","city":"LAMBERT","country_code":"US","county_code":"083","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"","engine_horsepower":null,"engine_maker":"","engine_model":"","engine_thrust_lb":null,"expiration_date":"2029-09-30","fractional_owner":0,"is_company":0,"is_electric":1,"is_unmanned_cert":0,"kind":"drones","kit_mfr":"","kit_model":"","last_action_date":"2023-09-02","maker":"Trimble Navigation Ltd","maker_country":null,"maker_raw":"TRIMBLE NAVIGATION LTD","maker_segment":null,"mfr_mdl_code":"061008X","mode_s_code":"50265267","mode_s_hex":"A16AB7","model":"UX5","n_number":"N1901S","name":"MEYER ROGER W DBA","ntsb_checked":true,"ntsb_records":[{"city":"FORT LAUDERDALE","damage":"SUBS","date":"1998-11-07","highest_injury":"NONE","ntsb_no":"MIA99LA030","probable_cause":"The failure of the pilot-in-command to note that the flaps did not retract while the pilot-rated student performed a touch-and-go landing on a 6,001 foot-long runway.  Factors in the accident were the total failure of the flap system for undetermined reasons and the operation of the airplane in an overgross weight condition by the pilot-in-command (CFI).","registration":"N1901S","state":"FL","summary":"Accident on November 7, 1998 at Fort Lauderdale, FL: no injuries, substantial damage.","type":"ACC"}],"num_engines":1,"other_names":"MONTANA LAND AND AERIAL SURVEYS","plain_english":"N1901S is a Trimble Navigation Ltd UX5, a fixed-wing airplane with one motor powered by electric motors. It is unmanned. It is registered to an individual in Lambert, Montana. The registration is valid: it was issued on September 28, 2016 and expires on September 30, 2029. No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.","records_check":[{"finding":"Valid registration to Meyer Roger W DBA, an individual, certificate issued September 28, 2016, expires September 30, 2029. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"No airworthiness certificate is on file. Usual for a newly registered aircraft, a project, or an aircraft that has not flown since a change of registration; ask for the certificate.","item":"Airworthiness certificate","source":1,"status":"ATTENTION"},{"finding":"No earlier tail number is recorded against serial 2193 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"N1901S was previously assigned to 1 other aircraft: Cessna 172N (serial 17267660, cancelled October 27, 1999). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number.","item":"Tail number reuse","source":2,"status":"ATTENTION"},{"finding":"No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file.","item":"Recent registry documents","source":3,"status":"NOTE"},{"finding":"1 NTSB record under N1901S: Accident on November 7, 1998 at Fort Lauderdale, FL: no injuries, substantial damage. Details below.","item":"Accident and incident record","source":4,"status":"ATTENTION"},{"finding":"These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.","item":"Title chain, liens and 337 forms","source":null,"status":"PENDING"},{"finding":"AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.","item":"Airworthiness directives and utilization","source":null,"status":"PENDING"}],"records_check_sources":[{"n":1,"name":"FAA Releasable Aircraft Database, master file","url":"https://registry.faa.gov/"},{"n":2,"name":"FAA deregistered aircraft file (part of the same download)","url":"https://registry.faa.gov/"},{"n":3,"name":"FAA document index: registry documents received in recent weeks","url":"https://registry.faa.gov/"},{"n":4,"name":"NTSB aviation accident database (CAROL)","url":"https://data.ntsb.gov/carol-main-public/basic-search"}],"region":"Northwest Mountain","region_code":"S","registrant_type":"Individual","registrant_type_code":"1","seats":0,"serial_number":"2193","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"MT","status":"Valid registration","status_code":"V","status_short":"Valid","street":"PO BOX 176","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Electric","type_engine_code":"10","unique_id":"01200350","url":"https://eflight.com/aircraft/N1901S","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"592430176"}